# Eduardo Oncins vs Russell Simpson — Head-to-Head

Source: https://tennis-db.com/rivalries/eduardo-oncins-vs-russell-simpson?player1_id=4139297&player2_id=4370783
Tour: ATP

Russell Simpson holds a 1–0 lead over Eduardo Oncins in their ATP head-to-head. Across 1 main-draw meeting, Russell Simpson leads 1–0 on hard courts. Most recently, Russell Simpson won the 1983 ASB Classic round of 32 7-6 6-2.

Category presentation: Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category.
Details: https://tennis-db.com/glossary#category-equivalence

Category presentation: Asterisked totals include editions mapped from documented historical predecessor categories.
Details: https://tennis-db.com/glossary#category-equivalence

## Overall
- Eduardo Oncins: 0 wins
- Russell Simpson: 1 wins
- Total meetings: 1

## By surface
- Hard: Eduardo Oncins 0 - 1 Russell Simpson

## By tournament category
- ATP 250: Eduardo Oncins 0 - 1 Russell Simpson

## Advanced statistics comparison
Career aggregates from the precomputed Advanced table. Surface Elo values are relative to overall Elo; career Schedule is normalized per 100 matches and lower means tougher opposition.

| Player | Peak Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win% | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Eduardo Oncins | 1500 | 93.1 | - | - | - | - | - | - | - | 0.0% | -4.3 | — | 0-1 | - | -2.25 |
| Russell Simpson | 1767 | 127.3 | - | - | - | - | -10 | -43 | 34 | 42.9% | -0.47 | 48-66 (42%) | 60-63 (49%) | 98.5 | 3.71 |

## Recent meetings (last 10)
| Date | Tournament | Category | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1983-01-13* | ASB Classic | ATP 250 | R32 | Hard | Russell Simpson | 7-6 6-2 |

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Canonical URL: https://tennis-db.com/rivalries/eduardo-oncins-vs-russell-simpson?player1_id=4139297&player2_id=4370783
Data source: TennisDB (tennis-db.com)